Android開發自己的鎖屏壁紙

SurfaceView SurfaceHolder MediaPlayer Service BroadcastReceiver KeyguardManager PowerManager

思路：啟動一個服務，監聽滅屏廣播，當收到廣播的時候，點亮屏幕，禁用鎖屏，調用使用SurfaceView播放視頻。

1.啟動一個服務

<service Android:name=".LockService" >
<intent-filter>
<category android:name="android.intent.category.default" />
</intent-filter>
</service>

Intent intent = new Intent();
intent.setClass(this,LockService.class);
startService(intent);

2.LockService onCreate中注冊監聽ACTION_SCREEN_OFF

final IntentFilter filter = new IntentFilter();
filter.addAction(Intent.ACTION_SCREEN_OFF);

registerReceiver(mReceiver, filter);

3.LockService 的內部監聽類

private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
final String action = intent.getAction();
if (Intent.ACTION_SCREEN_OFF.equals(action)) {
Log.d("yzy","screen_off...");
if(HelloActivity.isScreenOff == false){
wakeUpScreen();
Intent intent1 = new Intent();
intent1.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent1.setClass(LockService.this, HelloActivity.class);//啟動屏保界面
startActivity(intent1);
HelloActivity.isScreenOff = true;

}

}
}
};